129729221720820
129,729,221,720,820 is an even composite number composed of seven prime numbers multiplied together.
129729221720820 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 129729221720820:
22 × 33 × 5 × 17 × 19 × 173 × 4299277
(2 × 2 × 3 × 3 × 3 × 5 × 17 × 19 × 173 × 4299277)See below for interesting mathematical facts about the number 129729221720820 from the Numbermatics database.
Names of 129729221720820
- Cardinal: 129729221720820 can be written as One hundred twenty-nine trillion, seven hundred twenty-nine billion, two hundred twenty-one million, seven hundred twenty thousand, eight hundred twenty.
Scientific notation
- Scientific notation: 1.2972922172082 × 1014
Factors of 129729221720820
Divisors of 129729221720820
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 17 18 19 20 27 30 34 36 38 45 51 54 57 60 68 76 85 90 95 102 108 114 135 153 170 171 173 180 190 204 228 255 270 285 306 323 340 342 346 380 459 510 513 519 540 570 612 646 684 692 765 855 865 918 969 1020 1026 1038 1140 1292 1530 1557 1615 1710 1730 1836 1938 2052 2076 2295 2565 2595 2907 2941 3060 3114 3230 3287 3420 3460 3876 4590 4671 4845 5130 5190 5814 5882 6228 6460 6574 7785 8721 8823 9180 9342 9690 9861 10260 10380 11628 11764 13148 14535 14705 15570 16435 17442 17646 18684 19380 19722 23355 26469 29070 29410 29583 31140 32870 34884 35292 39444 43605 44115 46710 49305 52938 55879 58140 58820 59166 65740 79407 87210 88230 88749 93420 98610 105876 111758 118332 132345 147915 158814 167637 174420 176460 177498 197220 223516 264690 279395 295830 317628 335274 354996 397035 443745 502911 529380 558790 591660 670548 794070 838185 887490 1005822 1117580 1508733 1588140 1676370 1774980 2011644 2514555 3017466 3352740 4299277 5029110 6034932 7543665 8598554 10058220 12897831 15087330 17197108 21496385 25795662 30174660 38693493 42992770 51591324 64489155 73087709 77386986 81686263 85985540 116080479 128978310 146175418 154773972 163372526 193467465 219263127 232160958 245058789 257956620 292350836 326745052 365438545 386934930 408431315 438526254 464321916 490117578 580402395 657789381 730877090 735176367 743774921 773869860 816862630 877052508 980235156 1096315635 1160804790 1225293945 1315578762 1388666471 1461754180 1470352734 1487549842 1633725260 1973368143 2192631270 2205529101 2231324763 2321609580 2450587890 2631157524 2777332942 2940705468 2975099684 3288946905 3675881835 3718874605 3946736286 4165999413 4385262540 4411058202 4462649526 4901175780 5554665884 6577893810 6693974289 6943332355 7351763670 7437749210 7893472572 8331998826 8822116404 8925299052 9866840715 11027645505 11156623815 12497998239 12644173657 13155787620 13387948578 13886664710 14131723499 14703527340 14875498420 16663997652 19733681430 20081922867 20829997065 22055291010 22313247630 24995996478 25288347314 26775897156 27773329420 28263446998 33469871445 37493994717 37932520971 39467362860 40163845734 41659994130 42395170497 44110582020 44626495260 49991992956 50576694628 56526893996 62489991195 63220868285 66939742890 70658617495 74987989434 75865041942 80327691468 83319988260 84790340994 100409614335 113797562913 124979982390 126441736570 127185511491 133879485780 141317234990 149975978868 151730083884 169580681988 187469973585 189662604855 200819228670 211975852485 227595125826 240239299483 249959964780 252883473140 254371022982 282634469980 341392688739 374939947170 379325209710 381556534473 401638457340 423951704970 455190251652 480478598966 508742045964 568987814565 635927557455 682785377478 720717898449 749879894340 758650419420 763113068946 847903409940 960957197932 1137975629130 1201196497415 1271855114910 1365570754956 1441435796898 1526226137892 1706963443695 1907782672365 2162153695347 2275951258260 2402392994830 2543710229820 2882871593796 3413926887390 3603589492245 3815565344730 4324307390694 4804785989660 6486461086041 6827853774780 7207178984490 7631130689460 8648614781388 10810768476735 12972922172082 14414357968980 21621536953470 25945844344164 32432305430205 43243073906940 64864610860410 129729221720820
- Sum of all divisors σ(n): 452435380185600
- Sum of proper divisors (its aliquot sum) s(n): 322706158464780
- 129729221720820 is an abundant number, because the sum of its proper divisors (322706158464780) is greater than itself. Its abundance is 192976936743960
Bases of 129729221720820
- Binary: 111010111111100111100000010110101111010111101002
- Hexadecimal: 0x75FCF02D7AF4
- Base-36: 19ZGS53PX0
Squares and roots of 129729221720820
- 129729221720820 squared (1297292217208202) is 16829670968289675682021472400
- 129729221720820 cubed (1297292217208203) is 2183300116533698755933853344839718135368000
-
The
square root of 129729221720820 is 11389873.6481499215 -
The
cube root of 129729221720820 is 50622.7737478209
Scales and comparisons
How big is 129729221720820?- 129,729,221,720,820 seconds is equal to 4,124,987 years, 50 weeks, 3 days, 18 hours, 27 minutes.
-
To count from 1 to 129,729,221,720,820 would take you about ten million, three hundred twelve thousand, four hundred sixty-nine years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 129729221720820 cubic inches would be around 4218.6 feet tall.
Recreational maths with 129729221720820
- 129729221720820 backwards is 028027122927921
- 129729221720820 is a
Harshad number . - The number of decimal digits it has is: 15
- The sum of 129729221720820's digits is 54
- More coming soon!
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